How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/8100.0*Chance in playoffs100.0*Average seed
Chris/Jonny 107.28 Ross 164.88 -13.7
-1.1
Goodman 58.38 Alex 81.66 -1.2
-0.1
Kevin 128.46 Blair 86.92 +1.1
Nick 134.94 Cunje 139.94 -0.8
Campo 133.78 Dave 99.7 +0.8
Neil 114.62 Aaron 118.46 -0.1
If winner is:HomeAway
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Chris/Jonny vs Blair+15.5-15.5
+1.1-1.1
Campo vs Aaron+1.6-1.6
Kevin vs Alex+1.5-1.5
Neil vs Nick-1.2+1.2
Goodman vs Dave+1.0-1.0
+0.1-0.1
Ross vs Cunje-0.1+0.1

What If

Chances based on how well the Chris/Jonny finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
94-0In2662111524,052
83-1100.0%324402581002,088,951
72-278.9004162929164003,126,873
61-33.90041631331522,087,327
50-4Out011133541524,341
Total:61.8%2101212131210996408,351,544
Games Above .500
Chance Will Make Playoffs